diff --git a/doc/Market.py b/doc/Market.py
index d8b4d691..1bb6c33a 100644
--- a/doc/Market.py
+++ b/doc/Market.py
@@ -16,7 +16,7 @@ class NftIntro(object):
             ['c_job', 0, '缓存-职业'],
             ['c_lv', 0, '缓存-级别'],
             ['c_id', 0, '缓存-idx'],
-            ['details', [_common.NftDetail()], 'nft列表'],
+            ['details', _common.NftDetail(), 'nft列表'],
         ]
 class Market(object):